agenttesla | 604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 06:04

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General

Target

604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe
Size

472KB
MD5

e3b9dd2206d777134e43b0aaeac631cf
SHA1

f8c40eba57dc7eb20dad3875fd5e9f3da651256e
SHA256

604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55
SHA512

fa70fa7efa37783dd2f2aab2caec99d1d3d3d77447e652571a8841f62694020d80ad9af2d3f0b8b1284f53c76a1d1e3e37d44237bcd8527e788eb86144e2a666
SSDEEP

12288:QGOzvLvzFvHJGPN5MP7r9r/+ppppppppppppppppppppppppppppp0G:szvLvzFQk1q

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalhome.com.pe
Port:
587
Username:
[email protected]
Password:
MHinfo01
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe"	604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-api.com

flow	ioc
2	ip-api.com

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

pid	process
2140	604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe
2140	604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

description pid process

Token: SeDebugPrivilege 2140 604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

description	pid	process
Token: SeDebugPrivilege	2140	604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe

C:\Users\Admin\AppData\Local\Temp\604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe
"C:\Users\Admin\AppData\Local\Temp\604a53ef64abeb21ad5ea74b794485fc9719d51575d77bcf0ba8ec5e3c60ec55.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-1-0x0000000001070000-0x00000000010E6000-memory.dmp

Filesize
472KB

Download
memory/2140-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-5-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-6-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download